67     if (prev == next || !prev->fPartner || !next->fPartner) {  in makeEvent()
70     Edge bisector1(prev, prev->fPartner, 1, EdgeType::kConnector);  in makeEvent()
71     Edge bisector2(next, next->fPartner, 1, EdgeType::kConnector);  in makeEvent()
86     if (!v->fPartner) {  in makeEvent()
96     Edge bisector(v, v->fPartner, 1, EdgeType::kConnector);  in makeEvent()
111         if (Vertex* inner = outer->fPartner) {  in connectPartners()
117                 inner->fPartner = outer->fPartner = nullptr;  in connectPartners()
237     } else if (v->fPartner) {  in connectSSEdge()
238         TESS_LOG("setting %g's partner to %g ", v->fPartner->fID, dest->fID);  in connectSSEdge()
240         v->fPartner->fPartner = dest;  in connectSSEdge()
241         v->fPartner = nullptr;  in connectSSEdge()
286         if (dest->fPartner) {  in apply()
506                 innerVertex1->fPartner = outerVertex1;  in strokeBoundary()
507                 innerVertex2->fPartner = outerVertex2;  in strokeBoundary()
508                 outerVertex1->fPartner = innerVertex1;  in strokeBoundary()
509                 outerVertex2->fPartner = innerVertex2;  in strokeBoundary()
525                 innerVertex->fPartner = outerVertex;  in strokeBoundary()
526                 outerVertex->fPartner = innerVertex;  in strokeBoundary()
690             Vertex* v2 = e->fBottom->fPartner;  in polysToAATriangles()
691             Vertex* v3 = e->fTop->fPartner;  in polysToAATriangles()